901980320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:798

約数の個数: 96

約数和(自身を含む): 2194698240

約数和(自身を除く): 1292717920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 359, 383, 410, 656, 718, 766, 820, 1312, 1436, 1532, 1640, 1795, 1915, 2872, 3064, 3280, 3590, 3830, 5744, 6128, 6560, 7180, 7660, 11488, 12256, 14360, 14719, 15320, 15703, 28720, 29438, 30640, 31406, 57440, 58876, 61280, 62812, 73595, 78515, 117752, 125624, 137497, 147190, 157030, 235504, 251248, 274994, 294380, 314060, 471008, 502496, 549988, 588760, 628120, 687485, 1099976, 1177520, 1256240, 1374970, 2199952, 2355040, 2512480, 2749940, 4399904, 5499880, 5637377, 10999760, 11274754, 21999520, 22549508, 28186885, 45099016, 56373770, 90198032, 112747540, 180396064, 225495080, 450990160, 901980320]

約数ペア:

[(1, 901980320), (2, 450990160), (4, 225495080), (5, 180396064), (8, 112747540), (10, 90198032), (16, 56373770), (20, 45099016), (32, 28186885), (40, 22549508), (41, 21999520), (80, 11274754), (82, 10999760), (160, 5637377), (164, 5499880), (205, 4399904), (328, 2749940), (359, 2512480), (383, 2355040), (410, 2199952), (656, 1374970), (718, 1256240), (766, 1177520), (820, 1099976), (1312, 687485), (1436, 628120), (1532, 588760), (1640, 549988), (1795, 502496), (1915, 471008), (2872, 314060), (3064, 294380), (3280, 274994), (3590, 251248), (3830, 235504), (5744, 157030), (6128, 147190), (6560, 137497), (7180, 125624), (7660, 117752), (11488, 78515), (12256, 73595), (14360, 62812), (14719, 61280), (15320, 58876), (15703, 57440), (28720, 31406), (29438, 30640)]